Description
A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.313276
Permissions Required, Third Party Advisory, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.313276
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.593008
Exploit, Issue Tracking issue-tracking
https://github.com/wasm3/wasm3/issues/531
Scores
CVSS v3
3.3
EPSS
0.0018
EPSS Percentile
8.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-787
Status
published
Products (2)
pypi/pywasm3
0 - 0.5.0PyPI
wasm3_project/wasm3
0.5.0
Published
Jun 19, 2025
Tracked Since
Feb 18, 2026